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Select multiple columns in data.table by their numeric indices
How can we select multiple columns using a vector of their numeric indices (position) in data.table ?
5 Answers
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Bower and devDependencies vs dependencies
I ran 'yo angular' and realized afterwards that it installs 1.0.8, I uninstalled the angular components, however the original bower.json file had angular-mocks and angular-scenario under 'devDependencies' when I re-add all the 1.2.0-rc.2 components angular-mocks and angular-scenario under dependenci...
Combining a class selector and an attribute selector with jQuery
Is it possible to combine both a class selector and an attribute selector with jQuery?
4 Answers
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cout is not a member of std
I'm practicing using mulitple files and header files etc. So I have this project which takes two numbers and then adds them. Pretty simple.
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How do I enable language extensions from within GHCi?
I'm trying to enable XRankNTypes in GHCi. How do I do this?
1 Answer
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linux tee is not working with python?
I made a python script which communicates with a web server using an infinite loop.
I want to log every communication data to a file and also monitor them from terminal at same time. so I used tee command like this.
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How do I convert a Ruby class name to a underscore-delimited symbol?
... FooBar , into a symbol, :foo_bar ? e.g. something like this, but that handles camel case properly?
4 Answers
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cancelling queued performSelector:afterDelay calls
does anybody know if it is possible to cancel already queued selector events from the event stack or timer stack (or whatever mechanism it is that is utilized by the API) when you call performSelector:withObject:afterDelay ?
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python numpy ValueError: operands could not be broadcast together with shapes
In numpy, I have two "arrays", X is (m,n) and y is a vector (n,1)
6 Answers
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What do the result codes in SVN mean?
What do the result codes in SVN mean? I need a quick reference.
9 Answers
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